教科书英语怎么说

教科书英语可以翻译为 textbook English。这个术语来源于英语教学，指的是英语教科书中经常出现的、符合语言学原则的、被广泛接受的语言形式。下面是一些例句：
I'm studying textbook English in order to pass the TOEFL exam.
She's been speaking textbook English since she was a child.
His English is very good, but he sometimes uses phrases that aren't part of textbook English.